From 159831cc0987762af51f772d53e28605db45df77 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Sat, 17 Mar 2012 17:06:14 -0700 Subject: adpcm: convert adpcm_xa to bytestream2. --- libavcodec/adpcm.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'libavcodec/adpcm.c') diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 4faac6feef..8c1b59be29 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -292,7 +292,7 @@ static int xa_decode(AVCodecContext *avctx, for(j=0;j<28;j++) { d = in[16+i+j*4]; - t = (signed char)(d<<4)>>4; + t = sign_extend(d, 4); s = ( t<>6); s_2 = s_1; s_1 = av_clip_int16(s); @@ -322,7 +322,7 @@ static int xa_decode(AVCodecContext *avctx, for(j=0;j<28;j++) { d = in[16+i+j*4]; - t = (signed char)d >> 4; + t = sign_extend(d >> 4, 4); s = ( t<>6); s_2 = s_1; s_1 = av_clip_int16(s); @@ -834,13 +834,12 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, bytestream2_seek(&gb, 0, SEEK_END); break; case CODEC_ID_ADPCM_XA: - while (buf_size >= 128) { - if ((ret = xa_decode(avctx, samples, src, &c->status[0], + while (bytestream2_get_bytes_left(&gb) >= 128) { + if ((ret = xa_decode(avctx, samples, buf + bytestream2_tell(&gb), &c->status[0], &c->status[1], avctx->channels)) < 0) return ret; - src += 128; + bytestream2_skipu(&gb, 128); samples += 28 * 8; - buf_size -= 128; } break; case CODEC_ID_ADPCM_IMA_EA_EACS: -- cgit v1.2.3